1 SOUTH WACKER DRIVE, CHICAGO, IL
2026 Annual Meeting Results; Shareholder Votes on Director Elections
Reports First Quarter 2026 Results
Non-Reliance on Financial Statements
Reports Fourth Quarter 2025 Results
Exhibit 99.1
Amended material disclosure
Reports Third Quarter 2025 Results
Reports Electrical Equipment Failure Affecting One Potline at Grundartangi, Iceland Smelter
Q1
Notice of Late Filing for Annual Report
FY 2025
Q3
Q2
FY 2024
Registration Statement for Securities to be Offered to Employees
Effectiveness Notice
Amended Registration Statement for Securities Offered under a Shelf Registration
Registration Statement for Securities Offered under a Shelf Registration
S-3ASR
Additional Proxy Materials
Definitive Proxy Statement
Statement of Changes in Beneficial Ownership
Notice of Proposed Sale of Securities
Amended Schedule 13G - Ownership Report
Iran Notice
Specialized Disclosure Report